Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 28 Feb 2012 19:22:42 +1100
From:      Peter Jeremy <peterjeremy@acm.org>
To:        Freddie Cash <fjwcash@gmail.com>
Cc:        "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>, Nenhum_de_Nos <matheus@eternamente.info>
Subject:   Re: zfs, 1 gig of RAM and periodic weekly
Message-ID:  <20120228082242.GC62432@server.vk2pj.dyndns.org>
In-Reply-To: <CAOjFWZ7m8brSZtvyOrRq-QFZKNONdH9m-HE=dEFQvFp=ffWOeg@mail.gmail.com>
References:  <4F4B0F83.4090600@norma.perm.ru> <B1D93647-EDA3-49EF-85F4-4FF2AA5A893D@mac.com> <977febd5710ecac8cd9ea374ca0193f4.squirrel@109.169.62.232> <CAOjFWZ7m8brSZtvyOrRq-QFZKNONdH9m-HE=dEFQvFp=ffWOeg@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help

--d6Gm4EdcadzBjdND
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On 2012-Feb-27 14:48:05 -0800, Freddie Cash <fjwcash@gmail.com> wrote:
>You can get away with 2 GB of RAM, if you spend a lot of time manually
>tuning things to prevent kmem exhaustion and prevent ZFS ARC from
>starving the rest of the system (especially on the network side of
>things).

I run a system with ZFS and 2GB RAM (though only 40GB disk) without
any major tuning (AFAIR, I've only adjusted vfs.zfs.arc_max).  That
said, more RAM would be better.

>Definitely go with a 64-bit install.  Even with less than 4 GB of RAM,
>you'll benefit from the large kmem size and better auto-tuning.

I'd strongly recommend against running ZFS on i386 as anything other
than an experiment.

--=20
Peter Jeremy

--d6Gm4EdcadzBjdND
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.18 (FreeBSD)

iEYEARECAAYFAk9MjtIACgkQ/opHv/APuIcJOwCePTlCTPdUmnSSmVPJPAlzcJYN
0xwAn0AVrIp6etH/fNzxQHmALZdxYUd+
=/L4X
-----END PGP SIGNATURE-----

--d6Gm4EdcadzBjdND--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20120228082242.GC62432>